Hummer H3 For the Hummer driver who wants the rugged look and off road capabilities of the Hummer, but in a smaller size and with a more fuel economy friendly engine.

H3 service charge system code

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Old May 30, 2023 | 08:20 PM
  #1  
Red Bluff's Avatar
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Default H3 service charge system code

My experience.

The youngest daughter left the headlights on in our 2008 H3 Base.
When I jumped it I must have ****ed up something because it started up but was throwing the Service Charge System Code. I also noticed that we'd lost the radio, and AC.
I replaced the burnt radio fuse and the compressor diode but still couldn't get rid of the Service Charge System Code.
I replaced the master fuse and VIOLA........no more code!

Hope this helps anyone out there having the same issue.

Stinger terminals are next on the list.
 
Old May 31, 2023 | 11:00 AM
  #2  
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Originally Posted by Red Bluff
My experience.

The youngest daughter left the headlights on in our 2008 H3 Base.
When I jumped it I must have ****ed up something because it started up but was throwing the Service Charge System Code. I also noticed that we'd lost the radio, and AC.
I replaced the burnt radio fuse and the compressor diode but still couldn't get rid of the Service Charge System Code.
I replaced the master fuse and VIOLA........no more code!

Hope this helps anyone out there having the same issue.

Stinger terminals are next on the list.
Good info!

Kinda late to getting rid of the crappy azzed OEM Battery Terminals aye?
 
Old May 31, 2023 | 02:14 PM
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sounds like some one did a no mercy reversy on the battery terminals
 
Old May 31, 2023 | 02:30 PM
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Originally Posted by Doc Olds
Good info!

Kinda late to getting rid of the crappy azzed OEM Battery Terminals aye?
Yeah.....I'm wanting some of them Stingers...dang things are like "jewelry" for your battery.
 
Old May 31, 2023 | 02:31 PM
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Originally Posted by bronxteck
sounds like some one did a no mercy reversy on the battery terminals
LMFAO....I honestly don't know what the **** I did but I knew something was ****ed up when I clamped the ground and it looked like I was welding.
 
Old May 31, 2023 | 03:29 PM
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Originally Posted by Red Bluff
LMFAO....I honestly don't know what the **** I did but I knew something was ****ed up when I clamped the ground and it looked like I was welding.
The mega fuse prevents forest fires.
 
Old May 31, 2023 | 08:12 PM
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they replaced smokey the bear hummerz? damn new fangled gadgets.
 
Old Jun 1, 2023 | 12:39 PM
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LMFAO.......I was glad the whole thing didn't fry.
It's really nice having "Metallica" back in our vehicle rotation.

I love my H3....it's like driving a mini-tank.
 
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